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Lead Consultant UnixLinux Administration Brussels, Belgium
Job Location:
Monthly Salary:
Posted:
11 August 2026 (Yesterday)
Posted:
Application Deadline:
8 November 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Role Lead Consultant
Technology Unix/Linux Administration
Location Brussels Belgium
Job Description Wanted: Global Innovators to Help Us Build Tomorrows Enterprise
Basic
Enterprise Unix/Linux Administration
Nice to Have
The job entails sitting as well as working at a computer for extended periods of time. The role may require participation in rotational shifts on-call duty and incident-response engagement during critical platform events. Should be able to communicate by telephone email or face to face.
Technology Unix/Linux Administration
Location Brussels Belgium
Job Description Wanted: Global Innovators to Help Us Build Tomorrows Enterprise
- In the role of RHEL / HP-UX / Solaris Administrator you will be responsible for the administration operation maintenance and continuous improvement of mission-critical Unix and Linux infrastructure environments. You will manage enterprise Red Hat Enterprise Linux (RHEL) HP-UX and Solaris platforms supporting business-critical applications ensuring high availability performance security compliance and operational excellence.
- You will own day-to-day platform administration lifecycle management patching upgrades incident resolution performance tuning automation initiatives capacity planning and disaster recovery readiness across production and non-production environments. You will work closely with application database storage network cloud security and service management teams in an ITIL-driven environment to deliver reliable and resilient infrastructure services.
Basic
- Progressive experience in Unix/Linux Infrastructure Administration.
- Minimum 10 years of hands-on experience supporting enterprise RHEL HP-UX and Solaris environments.
- Experience working in large-scale mission-critical production environments with 24x7 support models.
- Relevant certifications such as RHCSA/RHCE Red Hat Certified Architect (RHCA) Oracle Solaris Certification HP-UX certifications or equivalent industry certifications are preferred.
Enterprise Unix/Linux Administration
- Extensive hands-on experience administering RHEL 7/8/9 HP-UX 11i v3 and Solaris 10/11 environments.
- Expertise in OS lifecycle management including installations upgrades migrations patching hardening and decommissioning activities.
- Deep understanding of kernel tuning system internals performance optimization and enterprise-scale infrastructure management.
- Experience leading operating system upgrade and transformation initiatives across large server estates.
- Experience serving as Technical Lead or Subject Matter Expert (SME) for Unix/Linux platforms.
- Ability to lead Major Incident calls Problem Management reviews and Root Cause Analysis (RCA) discussions.
- Experience mentoring junior administrators and driving technical competency development within teams.
- Strong stakeholder management and customer-facing communication skills.
- Strong expertise in LVM VxVM ZFS VxFS XFS ext4 UFS and enterprise storage management.
- Experience administering SAN infrastructure multipathing solutions and storage provisioning activities.
- Hands-on experience with high availability and clustering solutions such as Serviceguard Veritas Cluster Server (VCS) Solaris Cluster Pacemaker or equivalent technologies.
- Knowledge of disaster recovery planning DR testing and business continuity strategies.
- Advanced knowledge of system performance analysis and tuning across CPU memory storage and networking layers.
- Experience conducting capacity reviews infrastructure forecasting and optimization initiatives.
- Ability to identify performance bottlenecks and implement proactive improvements.
- Strong understanding of security hardening standards and enterprise compliance frameworks.
- Experience supporting audit remediation activities and compliance requirements.
- Expertise in Identity & Access Management integration including LDAP Active Directory PAM SSH SUDO and multi-factor authentication solutions.
- Experience implementing CIS benchmarks and vulnerability remediation programs.
- Strong automation experience using Shell Bash Korn Shell Python Perl and Ansible.
- Experience designing and implementing infrastructure automation frameworks.
- Exposure to DevOps methodologies CI/CD pipelines Infrastructure as Code (IaC) and configuration management practices.
- Experience driving operational efficiencies through automation and continuous improvement initiatives.
- Experience with enterprise monitoring platforms and predictive infrastructure monitoring solutions.
- Strong understanding of ITIL-based Incident Problem Change Configuration and Release Management processes.
- Experience working in SLA/KPI-driven managed services environments.
- Familiarity with ServiceNow and enterprise ITSM tools.
- Experience supporting Linux workloads on AWS Azure OCI or hybrid cloud environments.
- Exposure to VMware OpenShift Kubernetes containers and cloud-native infrastructure technologies.
- Understanding of infrastructure modernization and cloud migration strategies.
Nice to Have
- Experience with Red Hat Satellite SUSE Manager Spacewalk Oracle Enterprise Manager (OEM) HP Systems Insight Manager or similar enterprise management platforms.
- Hands-on experience supporting OpenShift Kubernetes Docker and Containerized Linux environments.
- Exposure to Cloud platforms such as AWS Microsoft Azure Google Cloud Platform (GCP) or Oracle Cloud Infrastructure (OCI).
- Exposure to Infrastructure as Code (IaC) tools such as Terraform Ansible Automation Platform Puppet or Chef.
- Experience administering Veritas Cluster Server (VCS) Serviceguard Solaris Cluster Pacemaker Corosync or RHCS.
- Exposure to virtualization platforms including VMware vSphere KVM Hyper-V and Oracle VM.
- Experience performing Unix-to-Linux migrations datacenter migrations cloud transformation or infrastructure modernization projects.
- Understanding of IT Operations Analytics (ITOA) AIOps and predictive monitoring tools.
- Experience with server build automation golden image creation and standardized OS deployment frameworks.
- Knowledge of enterprise network concepts including Load Balancers DNS DHCP Firewalls Proxy Servers and TCP/IP troubleshooting.
- Experience participating in audit reviews compliance assessments and security certification activities.
- Capability to drive Continuous Service Improvement (CSI) programs and operational excellence initiatives.
- Experience acting as an L3/L4 escalation point for critical incidents and complex infrastructure issues.
- Prior experience in customer-facing roles solution discussions technical governance meetings and service reviews.
- Exposure to AI-driven operations automation initiatives and self-healing infrastructure frameworks.
The job entails sitting as well as working at a computer for extended periods of time. The role may require participation in rotational shifts on-call duty and incident-response engagement during critical platform events. Should be able to communicate by telephone email or face to face.
About Us |
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Senior IC
About Company
Welcome to Infosys Careers for Experienced Professionals As a leading provider of next-generation consulting, technology and outsourcing solutions, we are dedicated to helping organizations in over 46 countries to renew their core and simultaneously innovate into new frontiers. Whilst ... View more
